This SAE Standard applies to off-road, self-propelled work machines used in earth moving, agriculture, and forestry as defined in SAE J1116, and establishes the following minimum performance levels in the operator's environment for the seated position:

Minimum operator enclosure pressurization and ventilating levels in the operator's environment for the seated position.

Maximum operator environment temperature under air conditioning operation.

Minimum operator environment temperature under heating operation.

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